Mozilla has rolled out an emergency Firefox 139.0.1 replace after the Tuesday launch induced graphical artifacts on PCs with NVIDIA GPUs.
Firefox 139 shipped on Could 27 with options like Full-Web page Translations, however it additionally induced graphical artifacts when shopping the net in Firefox.
In a Reddit thread, a number of Firefox customers complained that movies would flicker or flash. This concern additionally impacts webpages, together with websites like Instagram.
Mozilla has rapidly recognized the basis trigger and has shipped a hotfix with v139.0.1.
In a submit on Bugzilla, Mozilla confirmed that Firefox 139 re-enabled a particular DirectComposition path conduct, which induced these points.
In earlier releases, Firefox stored a block listing that stopped Firefox from utilizing DirectComposition on mixed-refresh NVIDIA setup.
Sadly, the block listing was eliminated with Firefox 139, and it allowed the browser to make use of DirectComposition in a means that uncovered a graphics driver bug on NVIDIA playing cards below Home windows 10.
While you play a 60 FPS video on the 60 Hz monitor after which scroll or hover over the content material on the high-refresh monitor, components of the video buffer leak into the opposite window.
That reveals up as flashing artifacts or corruption wherever the web page repaints. The difficulty does not occur with 30 FPS content material as a result of the body timing traces up with each refresh charges.
Single-monitor or AMD/Intel setups weren’t affected by these points.
Additionally it is value noting that DirectComposition is not the issue, however Mozilla’s implementation clashes with sure GPUs.
“At present the one factor that makes Firefox particular on this respect is that it makes use of Home windows DirectComposition in a sure means (Surfaces somewhat than Swapchains) for almost all of net content material…” a Firefox developer famous in a submit on Bugzilla.
“We’ve a brand new code path (the Layer Compositor as it’s referred to as) which ought to change into obtainable for testing in Firefox Nightly within the coming weeks if all goes properly, we can have an curiosity in testing that on the identical computer systems when it’s prepared, to confirm if any of this flickering happens with that strategy which is far more much like different browsers.”
Mozilla fastened artifacts in Firefox 139
As per the launch notes, a brand new replace (139.0.1) is now rolling out, and it restores the blocklist, which suggests you must now not run into artifacts.
“Fastened graphics corruption with sure NVIDIA graphics adapters and a number of displays working at blended refresh charges after updating to Firefox 139,” Mozilla famous on the discharge notes web page.
To put in Firefox 139.0.1, open Settings and test for updates.
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